com.liferay.ide.alloy.core.webresources.PortalResourcesProvider.java Source code

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Here is the source code for com.liferay.ide.alloy.core.webresources.PortalResourcesProvider.java

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/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 *******************************************************************************/
package com.liferay.ide.alloy.core.webresources;

import com.liferay.ide.alloy.core.AlloyCore;
import com.liferay.ide.core.ILiferayPortal;
import com.liferay.ide.core.ILiferayProject;
import com.liferay.ide.core.LiferayCore;
import com.liferay.ide.project.core.util.ProjectUtil;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.WeakHashMap;

import org.apache.commons.io.FileUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.wst.html.webresources.core.providers.IWebResourcesContext;
import org.eclipse.wst.html.webresources.core.providers.IWebResourcesFileSystemProvider;

/**
 * @author Gregory Amerson
 */
public class PortalResourcesProvider implements IWebResourcesFileSystemProvider {

    private static final Map<IPath, Collection<File>> fileCache = new WeakHashMap<IPath, Collection<File>>();

    @Override
    public File[] getResources(IWebResourcesContext context) {
        File[] retval = null;
        final IFile htmlFile = context.getHtmlFile();
        final ILiferayProject project = LiferayCore.create(htmlFile.getProject());

        if (htmlFile != null && project != null) {
            final ILiferayPortal portal = project.adapt(ILiferayPortal.class);

            if (portal != null && ProjectUtil.isPortletProject(htmlFile.getProject())) {
                final IPath portalDir = portal.getAppServerPortalDir();

                if (portalDir != null) {
                    final IPath cssPath = portalDir.append("html/themes/_unstyled/css");

                    if (cssPath.toFile().exists()) {
                        synchronized (fileCache) {
                            final Collection<File> cachedFiles = fileCache.get(cssPath);

                            if (cachedFiles != null) {
                                retval = cachedFiles.toArray(new File[0]);
                            } else {
                                final Collection<File> files = FileUtils.listFiles(cssPath.toFile(),
                                        new String[] { "css", "scss" }, true);

                                final Collection<File> cached = new HashSet<File>();

                                for (File file : files) {
                                    if (file.getName().endsWith("scss")) {
                                        final File cachedFile = new File(file.getParent(),
                                                ".sass-cache/" + file.getName().replaceAll("scss$", "css"));

                                        if (cachedFile.exists()) {
                                            cached.add(file);
                                        }
                                    }
                                }

                                files.removeAll(cached);

                                if (files != null) {
                                    retval = files.toArray(new File[0]);
                                }

                                fileCache.put(cssPath, files);
                            }
                        }
                    }
                }
            } else if (portal != null && ProjectUtil.isLayoutTplProject(htmlFile.getProject())) {
                // return the static css resource for layout template names based on the version

                final String version = portal.getVersion();

                try {
                    if (version != null && (version.startsWith("6.0") || version.startsWith("6.1"))) {
                        retval = createLayoutHelperFiles("resources/layouttpl-6.1.css");
                    } else if (version != null) {
                        retval = createLayoutHelperFiles("resources/layouttpl-6.2.css");
                    }
                } catch (IOException e) {
                    AlloyCore.logError("Unable to load layout template helper css files", e);
                }
            }
        }

        return retval;
    }

    private File[] createLayoutHelperFiles(String path) throws IOException {
        final URL url = FileLocator.toFileURL(AlloyCore.getDefault().getBundle().getEntry(path));

        return new File[] { new File(url.getFile()) };
    }
}